pool::CollectionCursor Class Reference

Reader object for Collections. More...

#include <CollectionCursor.h>

Inheritance diagram for pool::CollectionCursor:

Collaboration diagram for pool::CollectionCursor:

Public Member Functions
	CollectionCursor (const CollectionDescription &description, const CollectionRowBuffer &collectionRowBuffer, ContainerMap &attrContainers)
virtual bool	next () override final
	Advances the cursor to the next row of the result set.
virtual const CollectionRowBuffer &	currentRow () const override final
	Returns the selected Tokens and Attributes for the current row of the result set.
virtual std::size_t	size () override final
	Return the size of the collection.
virtual bool	seek (std::size_t position) override final
	Seeks the cursor to a given position in the collection.
virtual const Token &	eventRef () const override final
	Returns the event reference Token for the current row.
virtual	~CollectionCursor ()=default

Protected Attributes
const CollectionDescription &	m_description
CollectionRowBuffer	m_collectionRowBuffer
	Row buffer containing the Token and Attributes.
ContainerMap &	m_attrContainers
DbContainer &	m_tokenContainer
	Container for the event reference.
std::string	m_tokenStr
	Temporary storage for Event Reference in string format as it is in RNTuple.
std::size_t	m_idx
std::size_t	m_size

Detailed Description

Reader object for Collections.

Definition at line 28 of file CollectionCursor.h.

Constructor & Destructor Documentation

CollectionCursor()

pool::CollectionCursor::CollectionCursor	(	const CollectionDescription &	description,
		const CollectionRowBuffer &	collectionRowBuffer,
		ContainerMap &	attrContainers )

~CollectionCursor()

virtual pool::CollectionCursor::~CollectionCursor ( )

virtualdefault

Member Function Documentation

currentRow()

virtual const CollectionRowBuffer & pool::CollectionCursor::currentRow ( ) const

finaloverridevirtual

Returns the selected Tokens and Attributes for the current row of the result set.

Implements pool::ICollectionCursor.

eventRef()

virtual const Token & pool::CollectionCursor::eventRef ( ) const

finaloverridevirtual

Returns the event reference Token for the current row.

Implements pool::ICollectionCursor.

next()

virtual bool pool::CollectionCursor::next ( )

finaloverridevirtual

Advances the cursor to the next row of the result set.

Implements pool::ICollectionCursor.

seek()

virtual bool pool::CollectionCursor::seek ( std::size_t position )

finaloverridevirtual

Seeks the cursor to a given position in the collection.

Implements pool::ICollectionCursor.

size()

virtual std::size_t pool::CollectionCursor::size ( )

inlinefinaloverridevirtual

Return the size of the collection.

Implements pool::ICollectionCursor.

Definition at line 44 of file CollectionCursor.h.

{ return m_size; }

Member Data Documentation

m_attrContainers

ContainerMap& pool::CollectionCursor::m_attrContainers

protected

Definition at line 60 of file CollectionCursor.h.

m_collectionRowBuffer

CollectionRowBuffer pool::CollectionCursor::m_collectionRowBuffer

protected

Row buffer containing the Token and Attributes.

Definition at line 58 of file CollectionCursor.h.

m_description

const CollectionDescription& pool::CollectionCursor::m_description

protected

Definition at line 55 of file CollectionCursor.h.

m_idx

std::size_t pool::CollectionCursor::m_idx

protected

Definition at line 68 of file CollectionCursor.h.

m_size

std::size_t pool::CollectionCursor::m_size

protected

Definition at line 70 of file CollectionCursor.h.

m_tokenContainer

DbContainer& pool::CollectionCursor::m_tokenContainer

protected

Container for the event reference.

Definition at line 63 of file CollectionCursor.h.

m_tokenStr

std::string pool::CollectionCursor::m_tokenStr

protected

Temporary storage for Event Reference in string format as it is in RNTuple.

Definition at line 66 of file CollectionCursor.h.

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The documentation for this class was generated from the following file:

• CollectionCursor.h